.wx-back-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #89baf6, #afcbee, #509cf9);
    animation: gradientBG 15s ease infinite;
    overflow: hidden;
    position: relative;

    // 用户列表
    .wx-back-user-list {
        padding: 20px;
        background-color: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
        margin-bottom: 20px;


        .user-list-header h3 {
            font-size: 18px;
            color: #333;
            margin-bottom: 8px;
        }

        .user-list-header p {
            font-size: 14px;
            color: #999;
            margin-bottom: 20px;
        }

        .user-item {
            display: flex;
            align-items: center;
            padding: 15px;
            border: 1px solid #ebeef5;
            border-radius: 4px;
            margin-bottom: 10px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .user-item:hover {
            border-color: #409eff;
            box-shadow: 0 2px 4px rgba(64, 158, 255, 0.2);
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #409eff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            margin-right: 15px;
        }

        .user-info {
            flex: 1;
        }

        .nick-name {
            font-size: 16px;
            color: #333;
            font-weight: 500;
        }

        .user-name {
            font-size: 14px;
            color: #999;
            margin-top: 4px;
        }

        .select-icon {
            color: #c0c4cc;
        }

    }

    .wx-back-box {
        text-align: center;
        padding: 40px;
        background: #6cb4ff;
        backdrop-filter: blur(12px);
        border-radius: 20px;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
        border: 1px solid rgba(94, 234, 212, 0.2);
        min-width: 300px;
        position: relative;
        z-index: 10;
        transition: all 0.3s ease;

        .loading-spinner {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            flex-direction: column;
            align-items: center;
            position: relative;


            .spinner {
                width: 50px;
                height: 50px;
                border: 5px solid rgba(94, 234, 212, 0.3);
                border-radius: 50%;
                border-top-color: #5efec4;
                animation: spin 1s ease-in-out infinite;
                box-shadow: 0 0 15px rgba(94, 234, 212, 0.3);
            }

            .tech-grid {
                width: 100px;
                height: 100px;
                position: absolute;
                background:
                    linear-gradient(rgba(94, 234, 212, 0.1) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(94, 234, 212, 0.1) 1px, transparent 1px);
                background-size: 20px 20px;
                mask: radial-gradient(circle, white 20%, transparent 80%);
                -webkit-mask: radial-gradient(circle, white 20%, transparent 80%);
                animation: gridMove 10s linear infinite;
            }

        }

        .message {
            color: #e2e8f0;
            font-size: 24px;
            margin-top: 20px;
            transition: all 0.3s ease;
            text-shadow: 0 0 10px rgba(94, 234, 212, 0.5);
            font-weight: 500;
        }


        .success-icon {
            font-size: 50px;
            color: #79dca1;
            margin-bottom: 20px;
            animation: pulse 1.5s infinite;
        }

    }

    .floating-elements {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 1;

        .floating-element {
            position: absolute;
            width: 80px;
            height: 80px;
            border: 2px solid rgba(94, 234, 212, 0.2);
            border-radius: 50%;
            animation: float 15s infinite linear;
        }

        .floating-element:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-duration: 20s;
            border-color: rgba(109, 124, 255, 0.2);
        }

        .floating-element:nth-child(2) {
            top: 60%;
            right: 15%;
            animation-duration: 25s;
            animation-direction: reverse;
            border-color: rgba(255, 109, 207, 0.2);
        }

        .floating-element:nth-child(3) {
            bottom: 20%;
            left: 20%;
            animation-duration: 18s;
        }
    }
}



@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}








@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes gridMove {
    0% {
        transform: rotate(0deg) scale(0.8);
        opacity: 0.3;
    }

    50% {
        transform: rotate(180deg) scale(1.2);
        opacity: 0.6;
    }

    100% {
        transform: rotate(360deg) scale(0.8);
        opacity: 0.3;
    }


}


@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}



@keyframes techPulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}



@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(20px, 50px) rotate(90deg);
    }

    50% {
        transform: translate(0, 100px) rotate(180deg);
    }

    75% {
        transform: translate(-20px, 50px) rotate(270deg);
    }

    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}